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If you can route a shorter belt and do away with the smog pump altogether I would go with that. Otherwise the pumps usually have the main housing with a cover plate bolted to it. You need to get access to the inside of the pump, remove the internals, so that it is not pumping all time.
Re: 4 reasons why you should remove the AIR (smog) pump. 1. smog ***** who will deny your registration, making it illegal to drive on public roads. 2. smog, since as a human, i like to breathe, and the AIR pump gets the cat up to working temp faster so it converts CO, HC and NoX into CO2, N2 and H2O faster.e: 4 reasons why you should remove the AIR (smog) pump. I removed my AIR system many years ago, many engines ago. There was no increase in HP that is noticable, Engine ran exactly the same, Never ran any fast without the loss of the 3 lbs that the system weighed.